141 search results - page 11 / 29 » Equivalence of queries combining set and bag-set semantics |
LICS
1996
IEEE
13 years 11 months ago
1996
IEEE
We consider a parallel Algol-like language, combining procedures with shared-variable parallelism. Procedures permit encapsulation of common parallel programming idioms. Local var...
NLDB
2007
Springer
14 years 1 months ago
2007
Springer
This work deals with determination of meaningful and terse cluster labels for News document clusters. We analyze a number of alternatives for selecting headlines and/or sentences o...
WEBDB
2009
Springer
14 years 1 months ago
2009
Springer
The question whether a given set of views, defined by queries, can be used to answer another query, arises in several contexts such as query optimization, data integration and se...
PODS
2010
ACM
14 years 13 days ago
2010
ACM
For many problems arising in the setting of graph querying (such as finding semantic associations in RDF graphs, exact and approximate pattern matching, sequence alignment, etc.)...
PERCOM
2006
ACM
14 years 7 months ago
2006
ACM
In this paper, we design and evaluate an energy efficient data retrieval architecture for continuous aggregate queries in wireless sensor networks. We show how the modification of...